Package org.testng.internal

Source Code of org.testng.internal.Invoker$ParameterBag

package org.testng.internal;


import org.testng.IClass;
import org.testng.IHookable;
import org.testng.IInvokedMethod;
import org.testng.IInvokedMethodListener;
import org.testng.IInvokedMethodListener2;
import org.testng.IRetryAnalyzer;
import org.testng.ITestClass;
import org.testng.ITestContext;
import org.testng.ITestListener;
import org.testng.ITestNGMethod;
import org.testng.ITestResult;
import org.testng.Reporter;
import org.testng.SkipException;
import org.testng.SuiteRunState;
import org.testng.TestException;
import org.testng.TestNGException;
import org.testng.annotations.IConfigurationAnnotation;
import org.testng.collections.Lists;
import org.testng.collections.Maps;
import org.testng.internal.InvokeMethodRunnable.TestNGRuntimeException;
import org.testng.internal.annotations.AnnotationHelper;
import org.testng.internal.annotations.IAnnotationFinder;
import org.testng.internal.thread.ThreadExecutionException;
import org.testng.internal.thread.ThreadUtil;
import org.testng.xml.XmlClass;
import org.testng.xml.XmlSuite;
import org.testng.xml.XmlTest;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.regex.Pattern;

/**
* This class is responsible for invoking methods:
* - test methods
* - configuration methods
* - possibly in a separate thread
* and then for notifying the result listeners.
*
* @author <a href="mailto:cedric@beust.com">Cedric Beust</a>
* @author <a href='mailto:the_mindstorm@evolva.ro'>Alexandru Popescu</a>
*/
public class Invoker implements IInvoker {
  private ITestContext m_testContext;
  private ITestResultNotifier m_notifier;
  private IAnnotationFinder m_annotationFinder;
  private SuiteRunState m_suiteState;
  private boolean m_skipFailedInvocationCounts;
  private List<IInvokedMethodListener> m_invokedMethodListeners;

  public Invoker(ITestContext testContext,
                 ITestResultNotifier notifier,
                 SuiteRunState state,
                 IAnnotationFinder annotationFinder,
                 boolean skipFailedInvocationCounts,
                 List<IInvokedMethodListener> invokedMethodListeners) {
    m_testContext= testContext;
    m_suiteState= state;
    m_notifier= notifier;
    m_annotationFinder= annotationFinder;
    m_skipFailedInvocationCounts = skipFailedInvocationCounts;
    m_invokedMethodListeners = invokedMethodListeners;
  }

  /**
   * Invoke configuration methods if they belong to the same TestClass passed
   * in parameter.. <p/>TODO: Calculate ahead of time which methods should be
   * invoked for each class. Might speed things up for users who invoke the
   * same test class with different parameters in the same suite run.
   *
   * If instance is non-null, the configuration will be run on it.  If it is null,
   * the configuration methods will be run on all the instances retrieved
   * from the ITestClass.
   */
  public void invokeConfigurations(IClass testClass,
                                   ITestNGMethod[] allMethods,
                                   XmlSuite suite,
                                   Map<String, String> params,
                                   Object[] parameterValues,
                                   Object instance)
  {
    invokeConfigurations(testClass, null, allMethods, suite, params, parameterValues, instance,
        null);
  }

  private void invokeConfigurations(IClass testClass,
                                   ITestNGMethod currentTestMethod,
                                   ITestNGMethod[] allMethods,
                                   XmlSuite suite,
                                   Map<String, String> params,
                                   Object[] parameterValues,
                                   Object instance,
                                   ITestResult testMethodResult)
  {
    if(null == allMethods) {
      log(5, "No @Configuration methods found");

      return;
    }

    ITestNGMethod[] methods= filterMethodsUnique(testClass, allMethods);

    for(ITestNGMethod tm : methods) {
      if(null == testClass) {
        testClass= tm.getTestClass();
      }

      ITestResult testResult= new TestResult(testClass,
                                             instance,
                                             tm,
                                             null,
                                             System.currentTimeMillis(),
                                             System.currentTimeMillis());

      IConfigurationAnnotation configurationAnnotation= null;
      try {
        Object[] instances= tm.getInstances();
        if (instances == null || instances.length == 0) instances = new Object[] { instance };
        Class<?> objectClass= instances[0].getClass();
        Method method= tm.getMethod();

        // Only run the configuration if
        // - the test is enabled and
        // - the Configuration method belongs to the same class or a parent
        if(MethodHelper.isEnabled(objectClass, m_annotationFinder)) {
          configurationAnnotation= (IConfigurationAnnotation) AnnotationHelper.findConfiguration(m_annotationFinder, method);

          if (MethodHelper.isEnabled(configurationAnnotation)) {
            boolean isClassConfiguration = isClassConfiguration(configurationAnnotation);
            boolean isSuiteConfiguration = isSuiteConfiguration(configurationAnnotation);
            boolean alwaysRun= isAlwaysRun(configurationAnnotation);
 
            if(!confInvocationPassed(tm) && !alwaysRun) {
              handleConfigurationSkip(tm, testResult, configurationAnnotation, suite);
              continue;
            }
 
            log(3, "Invoking " + Utils.detailedMethodName(tm, true));
           
            Object[] parameters = Parameters.createConfigurationParameters(tm.getMethod(),
                params,
                parameterValues,
                currentTestMethod,
                m_annotationFinder,
                suite,
                m_testContext,
                testMethodResult);
            testResult.setParameters(parameters);
 
            Object[] newInstances= (null != instance) ? new Object[] { instance } : instances;
 
            invokeConfigurationMethod(newInstances, tm,
              parameters, isClassConfiguration, isSuiteConfiguration, testResult);
           
            // TODO: probably we should trigger the event for each instance???
            testResult.setEndMillis(System.currentTimeMillis());
            runConfigurationListeners(testResult);
          }
          else {
            log(3,
                "Skipping "
                + Utils.detailedMethodName(tm, true)
                + " because it is not enabled");
          }
        } // if is enabled
        else {
          log(3,
              "Skipping "
              + Utils.detailedMethodName(tm, true)
              + " because "
              + objectClass.getName()
              + " is not enabled");
        }
      }
      catch(InvocationTargetException ex) {
        handleConfigurationFailure(ex, tm, testResult, configurationAnnotation, suite);
      }
      catch(TestNGException ex) {
        // Don't wrap TestNGExceptions, it could be a missing parameter on a
        // @Configuration method
        handleConfigurationFailure(ex, tm, testResult, configurationAnnotation, suite);
      }
      catch(Throwable ex) { // covers the non-wrapper exceptions
        handleConfigurationFailure(ex, tm, testResult, configurationAnnotation, suite);
      }
    } // for methods
  }
 
  /**
   * Marks the currect <code>TestResult</code> as skipped and invokes the listeners.
   */
  private void handleConfigurationSkip(ITestNGMethod tm, ITestResult testResult, IConfigurationAnnotation annotation, XmlSuite suite) {
    recordConfigurationInvocationFailed(tm, annotation, suite);
    testResult.setStatus(ITestResult.SKIP);
    runConfigurationListeners(testResult);
  }
 
  /**
   * Is the current <code>IConfiguration</code> a class-level method.
   */
  private  boolean isClassConfiguration(IConfigurationAnnotation configurationAnnotation) {
    if(null == configurationAnnotation) {
      return false;
    }
   
    boolean before= (null != configurationAnnotation)
      ? configurationAnnotation.getBeforeTestClass()
      : false;

    boolean after= (null != configurationAnnotation)
      ? configurationAnnotation.getAfterTestClass()
      : false;

    return (before || after);
  }

  /**
   * Is the current <code>IConfiguration</code> a suite level method.
   */
  private  boolean isSuiteConfiguration(IConfigurationAnnotation configurationAnnotation) {
    if(null == configurationAnnotation) {
      return false;
    }
   
    boolean before= (null != configurationAnnotation)
      ? configurationAnnotation.getBeforeSuite()
      : false;

    boolean after= (null != configurationAnnotation)
      ? configurationAnnotation.getAfterSuite()
      : false;

    return (before || after);
  }

  /**
   * Is the <code>IConfiguration</code> marked as alwaysRun.
   */
  private boolean isAlwaysRun(IConfigurationAnnotation configurationAnnotation) {
    if(null == configurationAnnotation) {
      return false;
    }
   
    boolean alwaysRun= false;
    if ((configurationAnnotation.getAfterSuite()
        || configurationAnnotation.getAfterTest()
        || configurationAnnotation.getAfterTestClass()
        || configurationAnnotation.getAfterTestMethod())
        && configurationAnnotation.getAlwaysRun())
    {
        alwaysRun= true;
    }
   
    return alwaysRun;
  }
 
  private void handleConfigurationFailure(Throwable ite,
                                          ITestNGMethod tm,
                                          ITestResult testResult,
                                          IConfigurationAnnotation annotation,
                                          XmlSuite suite)
  {
    Throwable cause= ite.getCause() != null ? ite.getCause() : ite;
   
    if(SkipException.class.isAssignableFrom(cause.getClass())) {
      SkipException skipEx= (SkipException) cause;
      if(skipEx.isSkip()) {
        testResult.setThrowable(skipEx);
        handleConfigurationSkip(tm, testResult, annotation, suite);
        return;
      }
    }
    Utils.log("", 3, "Failed to invoke @Configuration method "
        + tm.getRealClass().getName() + "." + tm.getMethodName() + ":" + cause.getMessage());
    handleException(cause, tm, testResult, 1);
    runConfigurationListeners(testResult);

    //
    // If in TestNG mode, need to take a look at the annotation to figure out
    // what kind of @Configuration method we're dealing with
    //
    if (null != annotation) {
      recordConfigurationInvocationFailed(tm, annotation, suite);
    }
  }

  /**
   * @return All the classes that belong to the same <test> tag as @param cls
   */
  private XmlClass[] findClassesInSameTest(Class<?> cls, XmlSuite suite) {
    Map<String, XmlClass> vResult= Maps.newHashMap();
    String className= cls.getName();
    for(XmlTest test : suite.getTests()) {
      for(XmlClass testClass : test.getXmlClasses()) {
        if(testClass.getName().equals(className)) {

          // Found it, add all the classes in this test in the result
          for(XmlClass thisClass : test.getXmlClasses()) {
            vResult.put(thisClass.getName(), thisClass);
          }
          // Note:  we need to iterate through the entire suite since the same
          // class might appear in several <test> tags
        }
      }
    }

    XmlClass[] result= vResult.values().toArray(new XmlClass[vResult.size()]);

    return result;
  }

  /**
   * Record internally the failure of a Configuration, so that we can determine
   * later if @Test should be skipped.
   */
  private void recordConfigurationInvocationFailed(ITestNGMethod tm, IConfigurationAnnotation annotation, XmlSuite suite) {
    // If beforeTestClass/beforeTestMethod or afterTestClass/afterTestMethod
    // failed, mark this entire class as failed, but only this class (the other
    // classes should keep running normally)
    if (annotation.getBeforeTestClass()
      || annotation.getAfterTestClass()
      || annotation.getBeforeTestMethod()
      || annotation.getAfterTestMethod())
    {
      setClassInvocationFailure(tm.getRealClass(), false);
    }

    // If beforeSuite or afterSuite failed, mark *all* the classes as failed
    // for configurations.  At this point, the entire Suite is screwed
    else if (annotation.getBeforeSuite() || annotation.getAfterSuite()) {
      m_suiteState.failed();
    }

    // beforeTest or afterTest:  mark all the classes in the same
    // <test> stanza as failed for configuration
    else if (annotation.getBeforeTest() || annotation.getAfterTest()) {
      setClassInvocationFailure(tm.getRealClass(), false);
      XmlClass[] classes= findClassesInSameTest(tm.getRealClass(), suite);
      for(XmlClass xmlClass : classes) {
        setClassInvocationFailure(xmlClass.getSupportClass(), false);
      }
    }
    String[] beforeGroups= annotation.getBeforeGroups();
    if(null != beforeGroups && beforeGroups.length > 0) {
      for(String group: beforeGroups) {
        m_beforegroupsFailures.put(group, Boolean.FALSE);
      }
    }
  }
 
  /**
   * @return true if this class has successfully run all its @Configuration
   * method or false if at least one of these methods failed.
   */
  private boolean confInvocationPassed(ITestNGMethod method) {
    boolean result= true;

    Class<?> cls= method.getMethod().getDeclaringClass();
   
    if(m_suiteState.isFailed()) {
      result= false;
    }
    else {
      if(m_classInvocationResults.containsKey(cls)) {
        result= m_classInvocationResults.get(cls);
      }
      else {
        for(Class<?> clazz: m_classInvocationResults.keySet()) {
//          if (clazz == cls) {
          if(clazz.isAssignableFrom(cls)) {
            result= false;
            break;
          }
        }
      }
    }

    // check if there are failed @BeforeGroups
    String[] groups= method.getGroups();
    if(null != groups && groups.length > 0) {
      for(String group: groups) {
        if(m_beforegroupsFailures.containsKey(group)) {
          result= false;
          break;
        }
      }
    }
    return result;
  }

  /** Group failures must be synched as the Invoker is accessed concurrently */
  private Map<String, Boolean> m_beforegroupsFailures= new Hashtable<String, Boolean>();
 
  /** Class failures must be synched as the Invoker is accessed concurrently */
  private Map<Class<?>, Boolean> m_classInvocationResults= new Hashtable<Class<?>, Boolean>();

  private void setClassInvocationFailure(Class<?> clazz, boolean flag) {
    m_classInvocationResults.put(clazz, flag);
  }

  /**
   * Effectively invokes a configuration method on all passed in instances.
   *
   * @param instances the instances to invoke the configuration method on
   * @param tm the configuration method
   * @param params the parameters needed for method invocation
   * @param isClass flag if the configuration method is a class level method // FIXME: this looks like a missusage
   * @param testResult
   * @throws InvocationTargetException
   * @throws IllegalAccessException
   */
  private void invokeConfigurationMethod(Object[] instances,
                                         ITestNGMethod tm,
                                         Object[] params,
                                         boolean isClass,
                                         boolean isSuite,
                                         ITestResult testResult)
    throws InvocationTargetException, IllegalAccessException
  {
    // Mark this method with the current thread id
    tm.setId(ThreadUtil.currentThreadInfo());

    for(Object targetInstance : instances) {
      InvokedMethod im= new InvokedMethod(targetInstance,
                                          tm,
                                          params,
                                          false, /* isTest */
                                          isClass, /* ??? */
                                          System.currentTimeMillis());

      runInvokedMethodListeners(true /* before */, im, testResult);
      m_notifier.addInvokedMethod(im);

      try {
        Reporter.setCurrentTestResult(testResult);
        MethodHelper.invokeMethod(tm.getMethod(), targetInstance, params);
        // Only run the method once if it's @BeforeSuite or @AfterSuite
        if (isSuite) break;
      }
      finally {
        Reporter.setCurrentTestResult(testResult);
        runInvokedMethodListeners(false /* after */, im, testResult);
      }     
    }
  }

  private void runInvokedMethodListeners(boolean before, IInvokedMethod method,
      ITestResult testResult)
  {
    if (m_invokedMethodListeners != null) {
      if (before) {
        for (IInvokedMethodListener l : m_invokedMethodListeners) {
          if (l instanceof IInvokedMethodListener2) {
            IInvokedMethodListener2 l2 = (IInvokedMethodListener2) l;
            l2.beforeInvocation(method, testResult, m_testContext);
          } else {
            l.beforeInvocation(method, testResult);
          }
        }
      }
      else {
        for (IInvokedMethodListener l : m_invokedMethodListeners) {
          if (l instanceof IInvokedMethodListener2) {
            IInvokedMethodListener2 l2 = (IInvokedMethodListener2) l;
            l2.afterInvocation(method, testResult, m_testContext);
          } else {
            l.afterInvocation(method, testResult);
          }
        }
      }
    }
  }

  private ITestResult invokeMethod(Object[] instances,
                                   int instanceIndex,
                                   final ITestNGMethod tm,
                                   Object[] parameterValues,
                                   XmlSuite suite,
                                   Map<String, String> params,
                                   ITestClass testClass,
                                   ITestNGMethod[] beforeMethods,
                                   ITestNGMethod[] afterMethods,
                                   ConfigurationGroupMethods groupMethods) {
    TestResult testResult = new TestResult();

    //
    // Invoke beforeGroups configurations
    //
    invokeBeforeGroupsConfigurations(testClass, tm, groupMethods, suite, params,
        instances[instanceIndex]);

    //
    // Invoke beforeMethods only if
    // - firstTimeOnly is not set
    // - firstTimeOnly is set, and we are reaching at the first invocationCount
    //
    invokeConfigurations(testClass, tm,
      filterConfigurationMethods(tm, beforeMethods, true /* beforeMethods */),
      suite, params, parameterValues,
      instances[instanceIndex], testResult);
   
    //
    // Create the ExtraOutput for this method
    //
    InvokedMethod invokedMethod = null;
    try {
      testResult.init(testClass, instances[instanceIndex],
                                 tm,
                                 null,
                                 System.currentTimeMillis(),
                                 0);
      testResult.setParameters(parameterValues);
      testResult.setHost(m_testContext.getHost());
      testResult.setStatus(ITestResult.STARTED);
      runTestListeners(testResult);

      invokedMethod= new InvokedMethod(instances[instanceIndex],
          tm,
          parameterValues,
          true,
          false,
          System.currentTimeMillis());

      runInvokedMethodListeners(true, invokedMethod, testResult);

      m_notifier.addInvokedMethod(invokedMethod);
     
      Method thisMethod= tm.getMethod();
     
      if(confInvocationPassed(tm)) {
        log(3, "Invoking " + thisMethod.getDeclaringClass().getName() + "." +
            thisMethod.getName());

        // If no timeOut, just invoke the method
        if (MethodHelper.calculateTimeOut(tm) <= 0) {
          try {
            Reporter.setCurrentTestResult(testResult);
            //
            // If this method is a IHookable, invoke its run() method
            //
            if (IHookable.class.isAssignableFrom(thisMethod.getDeclaringClass())) {
              MethodHelper.invokeHookable(instances[instanceIndex],
                  parameterValues, testClass, thisMethod, testResult);
            }
            //
            // Not a IHookable, invoke directly
            //
            else {
              MethodHelper.invokeMethod(thisMethod, instances[instanceIndex],
                  parameterValues);
            }
            testResult.setStatus(ITestResult.SUCCESS);
          }
          finally {
            Reporter.setCurrentTestResult(null);
          }
        }
        else {
          //
          // Method with a timeout
          //
          try {
            Reporter.setCurrentTestResult(testResult);
            MethodHelper.invokeWithTimeout(tm, instances[instanceIndex],
                parameterValues, testResult);
          }
          finally {
            Reporter.setCurrentTestResult(null);
          }
        }
      }
      else {
        testResult.setStatus(ITestResult.SKIP);
      }
    }
    catch(InvocationTargetException ite) {
      testResult.setThrowable(ite.getCause());
    }
    catch(ThreadExecutionException tee) { // wrapper for TestNGRuntimeException
      Throwable cause= tee.getCause();
      if(TestNGRuntimeException.class.equals(cause.getClass())) {
        testResult.setThrowable(cause.getCause());
      }
      else {
        testResult.setThrowable(cause);
      }
    }
    catch(Throwable thr) { // covers the non-wrapper exceptions
      testResult.setThrowable(thr);
    }
    finally {
     
      runInvokedMethodListeners(false, invokedMethod, testResult);
     
      ExpectedExceptionsHolder expectedExceptionClasses
          = MethodHelper.findExpectedExceptions(m_annotationFinder, tm.getMethod());
      List<ITestResult> results = Lists.newArrayList();
      results.add(testResult);
      handleInvocationResults(tm, results, null, 0, expectedExceptionClasses, false,
          true /* collect results */);

      // If this method has a data provider and just failed, memorize the number
      // at which it failed.
      // Note: we're not exactly testing that this method has a data provider, just
      // that it has parameters, so might have to revisit this if bugs get reported
      // for the case where this method has parameters that don't come from a data
      // provider
      if (testResult.getThrowable() != null && parameterValues.length > 0) {
        tm.addFailedInvocationNumber(tm.getCurrentInvocationCount());
      }

      //
      // Increment the invocation count for this method
      //
      tm.incrementCurrentInvocationCount();

      if (testResult != null) {
        testResult.setEndMillis(System.currentTimeMillis());
      }
      //
      // Invoke afterMethods only if
      // - lastTimeOnly is not set
      // - lastTimeOnly is set, and we are reaching the last invocationCount
      //
      invokeConfigurations(testClass, tm,
          filterConfigurationMethods(tm, afterMethods, false /* beforeMethods */),
          suite, params, parameterValues,
          instances[instanceIndex],
          testResult);
     
      //
      // Invoke afterGroups configurations
      //
      invokeAfterGroupsConfigurations(testClass, tm, groupMethods, suite,
          params, instances[instanceIndex]);
    }

    return testResult;
  }
 
  /**
   * The array of methods contains @BeforeMethods if isBefore if true, @AfterMethods
   * otherwise.  This function removes all the methods that should not be run at this
   * point because they are either firstTimeOnly or lastTimeOnly and we haven't reached
   * the current invocationCount yet
   */
  private ITestNGMethod[] filterConfigurationMethods(ITestNGMethod tm,
      ITestNGMethod[] methods, boolean isBefore)
  {
    List<ITestNGMethod> result = Lists.newArrayList();
    for (ITestNGMethod m : methods) {
      ConfigurationMethod cm = (ConfigurationMethod) m;
      if (isBefore) {
        if (! cm.isFirstTimeOnly() ||
            (cm.isFirstTimeOnly() && tm.getCurrentInvocationCount() == 0))
        {
          result.add(m);
        }
      }
      else {
        int current = tm.getCurrentInvocationCount();
        boolean isLast = false;
        // If we have parameters, set the boolean if we are about to run
        // the last invocation
        if (tm.getParameterInvocationCount() > 0) {
          isLast = current == tm.getParameterInvocationCount();
        }
        // If we have invocationCount > 1, set the boolean if we are about to
        // run the last invocation
        else if (tm.getInvocationCount() > 1) {
          isLast = current == tm.getInvocationCount();
        }
        if (! cm.isLastTimeOnly() || (cm.isLastTimeOnly() && isLast)) {
          result.add(m);
        }
      }
    }

    return result.toArray(new ITestNGMethod[result.size()]);
  }

  /**
   * {@link #invokeTestMethods()} eventually converge here to invoke a single @Test method. 
   * <p/>
   * This method is responsible for actually invoking the method. It decides if the invocation
   * must be done:
   * <ul>
   * <li>through an <code>IHookable</code></li>
   * <li>directly (through reflection)</li>
   * <li>in a separate thread (in case it needs to timeout)
   * </ul>
   *
   * <p/>
   * This method is also reponsible for invoking @BeforeGroup, @BeforeMethod, @AfterMethod, @AfterGroup
   * if it is the case for the passed in @Test method.
   */
  public List<ITestResult> invokeTestMethod(Object[] instances,
                                             final ITestNGMethod tm,
                                             Object[] parameterValues,
                                             XmlSuite suite,
                                             Map<String, String> params,
                                             ITestClass testClass,
                                             ITestNGMethod[] beforeMethods,
                                             ITestNGMethod[] afterMethods,
                                             ConfigurationGroupMethods groupMethods)
  {
    List<ITestResult> results = Lists.newArrayList();

    // Mark this method with the current thread id
    tm.setId(ThreadUtil.currentThreadInfo());

    for(int i= 0; i < instances.length; i++) {
      results.add(invokeMethod(instances, i, tm, parameterValues, suite, params,
          testClass, beforeMethods, afterMethods, groupMethods));
    }

    return results;
  }

  /**
   * Filter all the beforeGroups methods and invoke only those that apply
   * to the current test method
   */
  private void invokeBeforeGroupsConfigurations(ITestClass testClass,
                                                ITestNGMethod currentTestMethod,
                                                ConfigurationGroupMethods groupMethods,
                                                XmlSuite suite,
                                                Map<String, String> params,
                                                Object instance)
  {
    synchronized(groupMethods) {
      List<ITestNGMethod> filteredMethods = Lists.newArrayList();
      String[] groups = currentTestMethod.getGroups();
      Map<String, List<ITestNGMethod>> beforeGroupMap = groupMethods.getBeforeGroupsMap();
     
      for (String group : groups) {
        List<ITestNGMethod> methods = beforeGroupMap.get(group);
        if (methods != null) {
          filteredMethods.addAll(methods);
        }
      }
     
      ITestNGMethod[] beforeMethodsArray = filteredMethods.toArray(new ITestNGMethod[filteredMethods.size()]);
      //
      // Invoke the right groups methods
      //
      if(beforeMethodsArray.length > 0) {
        // don't pass the IClass or the instance as the method may be external
        // the invocation must be similar to @BeforeTest/@BeforeSuite
        invokeConfigurations(null, beforeMethodsArray, suite, params,
            null, /* no parameter values */
            null);
      }
     
      //
      // Remove them so they don't get run again
      //
      groupMethods.removeBeforeGroups(groups);
    }
  }

  private void invokeAfterGroupsConfigurations(ITestClass testClass,
                                               ITestNGMethod currentTestMethod,
                                               ConfigurationGroupMethods groupMethods,
                                               XmlSuite suite,
                                               Map<String, String> params,
                                               Object instance)
  {
    // Skip this if the current method doesn't belong to any group
    // (only a method that belongs to a group can trigger the invocation
    // of afterGroups methods)
    if (currentTestMethod.getGroups().length == 0) return;
   
    // See if the currentMethod is the last method in any of the groups
    // it belongs to
    Map<String, String> filteredGroups = Maps.newHashMap();
    String[] groups = currentTestMethod.getGroups();
    synchronized(groupMethods) {
      for (String group : groups) {
        if (groupMethods.isLastMethodForGroup(group, currentTestMethod)) {
          filteredGroups.put(group, group);
        }
      }
     
      if(filteredGroups.isEmpty()) return;
     
      // The list of afterMethods to run
      Map<ITestNGMethod, ITestNGMethod> afterMethods = Maps.newHashMap();
     
      // Now filteredGroups contains all the groups for which we need to run the afterGroups
      // method.  Find all the methods that correspond to these groups and invoke them.
      Map<String, List<ITestNGMethod>> map = groupMethods.getAfterGroupsMap();
      for (String g : filteredGroups.values()) {
        List<ITestNGMethod> methods = map.get(g);
        // Note:  should put them in a map if we want to make sure the same afterGroups
        // doesn't get run twice
        if (methods != null) {
          for (ITestNGMethod m : methods) {
            afterMethods.put(m, m);
          }
        }
      }
     
      // Got our afterMethods, invoke them
      ITestNGMethod[] afterMethodsArray = afterMethods.keySet().toArray(new ITestNGMethod[afterMethods.size()]);
      // don't pass the IClass or the instance as the method may be external
      // the invocation must be similar to @BeforeTest/@BeforeSuite
      invokeConfigurations(null, afterMethodsArray, suite, params,
          null, /* no parameter values */
          null);

      // Remove the groups so they don't get run again
      groupMethods.removeAfterGroups(filteredGroups.keySet());     
    }
  }

  private Object[] getParametersFromIndex(Iterator<Object[]> parametersValues, int index) {
    while (parametersValues.hasNext()) {
      Object[] parameters = parametersValues.next();

      if (index == 0) {
        return parameters;
      }
      index--;
    }
    return null;
  }
 
  int retryFailed(Object[] instances,
                           int instanceIndex,
                           final ITestNGMethod tm,
                           XmlSuite suite,
                           ITestClass testClass,
                           ITestNGMethod[] beforeMethods,
                           ITestNGMethod[] afterMethods,
                           ConfigurationGroupMethods groupMethods,
                           List<ITestResult> result,
                           int failureCount,
                           ExpectedExceptionsHolder expectedExceptionHolder,
                           ITestContext testContext,
                           Map<String, String> parameters,
                           int parametersIndex) {
    List<Object> failedInstances;

    do {
      failedInstances = Lists.newArrayList();
      Map<String, String> allParameters = Maps.newHashMap();
      /**
       * TODO: This recreates all the parameters every time when we only need
       * one specific set. Should optimize it by only recreating the set needed.
       */
      ParameterBag bag = createParameters(testClass, tm, parameters,
          allParameters, null, suite, testContext, null /* fedInstance */, null /* testResult */);
      Object[] parameterValues =
          getParametersFromIndex(bag.parameterHolder.parameters, parametersIndex);

      result.add(invokeMethod(instances, instanceIndex, tm, parameterValues, suite,
          allParameters, testClass, beforeMethods, afterMethods, groupMethods));
      failureCount = handleInvocationResults(tm, result, failedInstances,
          failureCount, expectedExceptionHolder, true, true /* collect results */);
    }
    while (!failedInstances.isEmpty());
    return failureCount;
  }
 
  private ParameterBag createParameters(ITestClass testClass,
                                        ITestNGMethod testMethod,
                                        Map<String, String> parameters,
                                        Map<String, String> allParameterNames,
                                        Object[] parameterValues,
                                        XmlSuite suite,
                                        ITestContext testContext,
                                        Object fedInstance,
                                        ITestResult testResult)
  {
    Object instance;
    if (fedInstance != null) {
      instance = fedInstance;
    }
    else {
      Object[] instances = testClass.getInstances(true);
      instance = instances[0];
    }
   
    ParameterBag bag= handleParameters(testMethod,
        instance, allParameterNames, parameters, parameterValues, suite, testContext, fedInstance,
        testResult);

    return bag;
  }
 
  /**
   * Invoke all the test methods.  Note the plural:  the method passed in
   * parameter might be invoked several times if the test class it belongs
   * to has more than one instance (i.e., if an @Factory method has been
   * declared somewhere that returns several instances of this TestClass).
   * If no @Factory method was specified, testMethod will only be invoked
   * once.
   * <p/>
   * Note that this method also takes care of invoking the beforeTestMethod
   * and afterTestMethod, if any.
   *
   * Note (alex): this method can be refactored to use a SingleTestMethodWorker that
   * directly invokes
   * {@link #invokeTestMethod(Object[], ITestNGMethod, Object[], XmlSuite, Map, ITestClass, ITestNGMethod[], ITestNGMethod[], ConfigurationGroupMethods)}
   * and this would simplify the implementation (see how DataTestMethodWorker is used)
   */
  public List<ITestResult> invokeTestMethods(ITestNGMethod testMethod,
                                             ITestNGMethod[] allTestMethods,
                                             int testMethodIndex,
                                             XmlSuite suite,
                                             Map<String, String> parameters,
                                             ConfigurationGroupMethods groupMethods,
                                             Object[] instances,
                                             ITestContext testContext)
  {
    // Potential bug here if the test method was declared on a parent class
    assert null != testMethod.getTestClass()
    : "COULDN'T FIND TESTCLASS FOR " + testMethod.getMethod().getDeclaringClass();
   
    List<ITestResult> result = Lists.newArrayList();
   
    ITestClass testClass= testMethod.getTestClass();
    long start= System.currentTimeMillis();

    //
    // TODO:
    // - [DONE] revisit invocationCount, threadPoolSize values
    // - try to remove the isWithinThreadedMethod: still needed to determine the @BeforeMethod + @AfterMethod
    // - [DONE] solve the results different approaches: assignment and addAll
    //
    // For invocationCount>1 and threadPoolSize>1 the method will be invoked on a thread pool
    long timeOutInvocationCount = testMethod.getInvocationTimeOut();
    boolean onlyOne = testMethod.getThreadPoolSize() > 1 ||
      timeOutInvocationCount > 0;
     
    int invocationCount = onlyOne ? 1 : testMethod.getInvocationCount();
   
    int failureCount = 0;

    ExpectedExceptionsHolder expectedExceptionHolder =
        MethodHelper.findExpectedExceptions(m_annotationFinder, testMethod.getMethod());
    while(invocationCount-- > 0) {
      boolean okToProceed = checkDependencies(testMethod, testClass, allTestMethods);

      if (okToProceed) {
        //
        // Invoke the test method if it's enabled
        //
        if (MethodHelper.isEnabled(testMethod.getMethod(), m_annotationFinder)) {
          //
          // If threadPoolSize specified, run this method in its own pool thread.
          //
          if (testMethod.getThreadPoolSize() > 1 && testMethod.getInvocationCount() > 1) {
              return invokePooledTestMethods(testMethod, allTestMethods, suite,
                  parameters, groupMethods, testContext);
          }
         
          //
          // No threads, regular invocation
          //
          else {
            ITestNGMethod[] beforeMethods = filterMethods(testClass, testClass.getBeforeTestMethods());
            ITestNGMethod[] afterMethods = filterMethods(testClass, testClass.getAfterTestMethods());


            Map<String, String> allParameterNames = Maps.newHashMap();
            ParameterBag bag = createParameters(testClass, testMethod,
                parameters, allParameterNames, null, suite, testContext, instances[0],
                null);

            if(bag.hasErrors()) {
              failureCount = handleInvocationResults(testMethod,
                  bag.errorResults, null, failureCount, expectedExceptionHolder, true,
                  true /* collect results */);
              // there is nothing we can do more
              continue;
            }
           
            Iterator<Object[]> allParameterValues= bag.parameterHolder.parameters;
           
            int parametersIndex = 0;
           
            try {
//                if (true) { // @@
              List<TestMethodWithDataProviderMethodWorker> workers = Lists.newArrayList();

//                  if (false) { // bag.parameterHolder.origin == ParameterHolder.ORIGIN_DATA_PROVIDER) {
              if (bag.parameterHolder.origin == ParameterHolder.ORIGIN_DATA_PROVIDER &&
                  bag.parameterHolder.dataProviderHolder.annotation.isParallel()) {
                while (allParameterValues.hasNext()) {
                  Object[] parameterValues= allParameterValues.next();
                  TestMethodWithDataProviderMethodWorker w =
                    new TestMethodWithDataProviderMethodWorker(this,
                        testMethod, parametersIndex,
                        parameterValues, instances, suite, parameters, testClass,
                        beforeMethods, afterMethods, groupMethods,
                        expectedExceptionHolder, testContext, m_skipFailedInvocationCounts,
                        invocationCount, failureCount, m_notifier);
                  workers.add(w);
                }
                PoolService ps = PoolService.getInstance();
                List<ITestResult> r = ps.submitTasksAndWait(testMethod, workers);
                result.addAll(r);

              } else {
                while (allParameterValues.hasNext()) {
                  Object[] rawParameterValues= allParameterValues.next();

                  Object[] parameterValues = injectParameters(rawParameterValues,
                      testMethod.getMethod(), testContext, null /* test result */);
//                  Object[] parameterValues = rawParameterValues;

                  List<ITestResult> tmpResults = Lists.newArrayList();

                  try {
                    tmpResults.addAll(invokeTestMethod(instances,
                                                       testMethod,
                                                       parameterValues,
                                                       suite,
                                                       parameters,
                                                       testClass,
                                                       beforeMethods,
                                                       afterMethods,
                                                       groupMethods));
                  }
                  finally {
                    List<Object> failedInstances = Lists.newArrayList();

                    failureCount = handleInvocationResults(testMethod, tmpResults,
                        failedInstances, failureCount, expectedExceptionHolder, true,
                        false /* don't collect results */);
                    if (failedInstances.isEmpty()) {
                      result.addAll(tmpResults);
                    } else {
                      for (int i = 0; i < failedInstances.size(); i++) {
                        List<ITestResult> retryResults = Lists.newArrayList();

                        failureCount =
                         retryFailed(failedInstances.toArray(),
                         i, testMethod, suite, testClass, beforeMethods,
                         afterMethods, groupMethods, retryResults,
                         failureCount, expectedExceptionHolder,
                         testContext, parameters, parametersIndex);
                      result.addAll(retryResults);
                      }
                    }
                   
                    //
                    // If we have a failure, skip all the
                    // other invocationCounts
                    //
                   
                    // If not specified globally, use the attribute
                    // on the annotation
                    //
                    if (! m_skipFailedInvocationCounts) {
                      m_skipFailedInvocationCounts = testMethod.skipFailedInvocations();
                    }
                    if (failureCount > 0 && m_skipFailedInvocationCounts) {
                      while (invocationCount-- > 0) {
                        ITestResult r =
                          new TestResult(testMethod.getTestClass(),
                            instances[0],
                            testMethod,
                            null,
                            start,
                            System.currentTimeMillis());
                        r.setStatus(TestResult.SKIP);
                        result.add(r);
                        runTestListeners(r);
                        m_notifier.addSkippedTest(testMethod, r);
                      }
                      break;
                    }
                  }// end
                parametersIndex++;
              }
            }
          }
          catch (Throwable cause) {
            ITestResult r =
                new TestResult(testMethod.getTestClass(),
                  instances[0],
                  testMethod,
                  cause,
                  start,
                  System.currentTimeMillis());
              r.setStatus(TestResult.FAILURE);
              result.add(r);
              runTestListeners(r);
              m_notifier.addFailedTest(testMethod, r);
            } // catch
          }
        } // isTestMethodEnabled

      } // okToProceed
      else {
        //
        // Test is being skipped
        //
        ITestResult testResult= new TestResult(testClass, null,
                                               testMethod,
                                               null,
                                               start,
                                               System.currentTimeMillis());
        testResult.setEndMillis(System.currentTimeMillis());
        String missingGroup = testMethod.getMissingGroup();
        if (missingGroup != null) {
          testResult.setThrowable(new Throwable("Method " + testMethod
              + " depends on nonexistent group \"" + missingGroup + "\""));
        }

        testResult.setStatus(ITestResult.SKIP);
        result.add(testResult);
        m_notifier.addSkippedTest(testMethod, testResult);
        runTestListeners(testResult);
      }
    }
   
    return result;
   
  } // invokeTestMethod

  private Object[] injectParameters(Object[] parameterValues, Method method,
      ITestContext context, ITestResult testResult) {
    List<Object> vResult = Lists.newArrayList();
    int i = 0;
    for (Class<?> cls : method.getParameterTypes()) {
      Object injected = Parameters.getInjectedParameter(cls, method, context, testResult);
      if (injected != null) {
        vResult.add(injected);
      } else {
        vResult.add(parameterValues[i++]);
      }
    }
    return vResult.toArray(new Object[vResult.size()]);
  }

  private ParameterBag handleParameters(ITestNGMethod testMethod,
      Object instance,
      Map<String, String> allParameterNames,
      Map<String, String> parameters,
      Object[] parameterValues,
      XmlSuite suite,
      ITestContext testContext,
      Object fedInstance,
      ITestResult testResult)
  {
    try {
      return new ParameterBag(
          Parameters.handleParameters(testMethod,
            allParameterNames,
            instance,
            new Parameters.MethodParameters(parameters, parameterValues,
                testMethod.getMethod(), testContext, testResult),
            suite,
            m_annotationFinder,
            fedInstance),
          null);
    }
    catch(Throwable cause) {
      return new ParameterBag(null,
          new TestResult(
              testMethod.getTestClass(),
              instance,
              testMethod,
              cause,
              System.currentTimeMillis(),
              System.currentTimeMillis()));
    }
   
  }
 
  /**
   * Invokes a method that has a specified threadPoolSize.
   */
  private List<ITestResult> invokePooledTestMethods(ITestNGMethod testMethod,
                                                    ITestNGMethod[] allTestMethods,
                                                    XmlSuite suite,
                                                    Map<String, String> parameters,
                                                    ConfigurationGroupMethods groupMethods,
                                                    ITestContext testContext)
  {
    //
    // Create the workers
    //
    List<IMethodWorker> workers = Lists.newArrayList();
   
    for (int i = 0; i < testMethod.getInvocationCount(); i++) {
      // we use clones for reporting purposes
      ITestNGMethod clonedMethod= testMethod.clone();
      clonedMethod.setInvocationCount(1);
      clonedMethod.setThreadPoolSize(1);

      MethodInstance mi = new MethodInstance(clonedMethod, clonedMethod.getTestClass().getInstances(true));
      workers.add(new SingleTestMethodWorker(this,
          mi,
          suite,
          parameters,
          allTestMethods,
          testContext));
    }

    return runWorkers(testMethod, workers, testMethod.getThreadPoolSize(), groupMethods, suite, parameters);
  }
 
  /**
   * @param testMethod
   * @param result
   * @param failureCount
   * @param expectedExceptionsHolder
   * @return
   */
  int handleInvocationResults(ITestNGMethod testMethod,
                                      List<ITestResult> result,
                                      List<Object> failedInstances,
                                      int failureCount,
                                      ExpectedExceptionsHolder expectedExceptionsHolder,
                                      boolean triggerListeners,
                                      boolean collectResults)
  {
    //
    // Go through all the results and create a TestResult for each of them
    //
    List<ITestResult> resultsToRetry = Lists.newArrayList();

    for (int i = 0; i < result.size(); i++) {
      ITestResult testResult = result.get(i);
      Throwable ite= testResult.getThrowable();
      int status= testResult.getStatus();

      // Exception thrown?
      if (ite != null) {

        //  Invocation caused an exception, see if the method was annotated with @ExpectedException
        if (isExpectedException(ite, expectedExceptionsHolder)) {
          if (messageRegExpMatches(expectedExceptionsHolder.messageRegExp, ite)) {
            testResult.setStatus(ITestResult.SUCCESS);
            status= ITestResult.SUCCESS;
          }
          else {
            testResult.setThrowable(
                new TestException("The exception was thrown with the wrong message:" +
                    " expected \"" + expectedExceptionsHolder.messageRegExp + "\"" +
                    " but got \"" + ite.getMessage() + "\""));
            status= ITestResult.FAILURE;
          }
        } else if (ite != null && expectedExceptionsHolder != null) {
          testResult.setThrowable(
              new TestException("Expected exception "
                 + expectedExceptionsHolder.expectedClasses[0].getName()
                 + " but got " + ite));
          status= ITestResult.FAILURE;
        }
        else if (SkipException.class.isAssignableFrom(ite.getClass())){
          SkipException skipEx= (SkipException) ite;
          if(skipEx.isSkip()) {
            status = ITestResult.SKIP;
          }
          else {
            handleException(ite, testMethod, testResult, failureCount++);
            status = ITestResult.FAILURE;
          }
        }
        else {
          handleException(ite, testMethod, testResult, failureCount++);
          status= testResult.getStatus();
        }
      }

      // No exception thrown, make sure we weren't expecting one
      else if(status != ITestResult.SKIP && expectedExceptionsHolder != null) {
        Class<?>[] classes = expectedExceptionsHolder.expectedClasses;
        if (classes != null && classes.length > 0) {
          testResult.setThrowable(
              new TestException("Method " + testMethod + " should have thrown an exception of "
                  + expectedExceptionsHolder.expectedClasses[0]));
          status= ITestResult.FAILURE;
        }
      }

      testResult.setStatus(status);

      boolean retry = false;
     
      if (testResult.getStatus() == ITestResult.FAILURE) {
        IRetryAnalyzer retryAnalyzer = testMethod.getRetryAnalyzer();

        if (retryAnalyzer != null) {
          retry = retryAnalyzer.retry(testResult);
        }

        if (retry) {
          resultsToRetry.add(testResult);
          if (failedInstances != null) {
            failedInstances.add(testResult.getMethod().getInstances()[i]);
          }
        }
      }
      if (!retry || collectResults) {
        // Collect the results
        if(ITestResult.SUCCESS == status) {
          m_notifier.addPassedTest(testMethod, testResult);
        }
        else if(ITestResult.SKIP == status) {
          m_notifier.addSkippedTest(testMethod, testResult);
        }
        else if(ITestResult.FAILURE == status) {
          m_notifier.addFailedTest(testMethod, testResult);
        }
        else if(ITestResult.SUCCESS_PERCENTAGE_FAILURE == status) {
          m_notifier.addFailedButWithinSuccessPercentageTest(testMethod, testResult);
        }
        else {
          assert false : "UNKNOWN STATUS:" + status;
        }

        if (triggerListeners) {
          runTestListeners(testResult);
        }
      }
    } // for results
   
    return removeResultsToRetryFromResult(resultsToRetry, result, failureCount);
  }
 
  /**
   *   message / regEx  .*      other
   *   null             true    false
   *   non-null         true    match
   */
  private boolean messageRegExpMatches(String messageRegExp, Throwable ite) {
    if (".*".equals(messageRegExp)) {
      return true;
    } else {
      if (ite.getMessage() == null) return false;
      else return Pattern.matches(messageRegExp, ite.getMessage());
    }
  }

  private int removeResultsToRetryFromResult(List<ITestResult> resultsToRetry,
      List<ITestResult> result, int failureCount) {
    if (resultsToRetry != null) {
      for (ITestResult res : resultsToRetry) {
        result.remove(res);
        failureCount--;
      }
    }
    return failureCount;
  }
 
  /**
   * To reduce thread contention and also to correctly handle thread-confinement
   * this method invokes the @BeforeGroups and @AfterGroups corresponding to the current @Test method.
   */
  private List<ITestResult> runWorkers(ITestNGMethod testMethod,
      List<IMethodWorker> workers,
      int threadPoolSize,
      ConfigurationGroupMethods groupMethods,
      XmlSuite suite,
      Map<String, String> parameters)
  {
    // Invoke @BeforeGroups on the original method (reduce thread contention,
    // and also solve thread confinement)
    ITestClass testClass= testMethod.getTestClass();
    Object[] instances = testClass.getInstances(true);
    for(Object instance: instances) {
      invokeBeforeGroupsConfigurations(testClass, testMethod, groupMethods, suite, parameters, instance);
    }
   
   
    long maxTimeOut= -1; // 10 seconds

    for(IMethodWorker tmw : workers) {
      long mt= tmw.getMaxTimeOut();
      if(mt > maxTimeOut) {
        maxTimeOut= mt;
      }
    }
   
    ThreadUtil.execute(workers, threadPoolSize, maxTimeOut, true);

    //
    // Collect all the TestResults
    //
    List<ITestResult> result = Lists.newArrayList();
    for (IMethodWorker tmw : workers) {
      result.addAll(tmw.getTestResults());
    }
   
    for(Object instance: instances) {
      invokeAfterGroupsConfigurations(testClass, testMethod, groupMethods, suite, parameters, instance);
    }
   
    return result;
  }

  /**
   * @param testMethod
   * @param testClass
   * @return dependencies have been run successfully
   */
  private boolean checkDependencies(ITestNGMethod testMethod, ITestClass testClass,
      ITestNGMethod[] allTestMethods)
  {
    boolean result= true;

    // If this method is marked alwaysRun, no need to check for its
    // dependencies
    if (testMethod.isAlwaysRun()) {
      return true;
    }
   
    // Any missing group?
    if (testMethod.getMissingGroup() != null) {
      if (!testMethod.ignoreMissingDependencies()) return false;
    }

    // If this method depends on groups, collect all the methods that
    // belong to these groups and make sure they have been run successfully
    if(dependsOnGroups(testMethod)) {
      String[] groupsDependedUpon= testMethod.getGroupsDependedUpon();

      // Get all the methods that belong to the group depended upon
      for(int i= 0; i < groupsDependedUpon.length; i++) {
        ITestNGMethod[] methods =
          MethodHelper.findMethodsThatBelongToGroup(testMethod,
              m_testContext.getAllTestMethods(),
              groupsDependedUpon[i]);

        result = result && haveBeenRunSuccessfully(methods);
      }
    } // depends on groups

    // If this method depends on other methods, make sure all these other
    // methods have been run successfully
    if(dependsOnMethods(testMethod)) {
      ITestNGMethod[] methods =
        MethodHelper.findMethodsNamed(testMethod, allTestMethods, testMethod.getMethodsDependedUpon());

      result= result && haveBeenRunSuccessfully(methods);
    }

    return result;
  }

  /**
   * @return true if all the methods have been run successfully
   */
  private boolean haveBeenRunSuccessfully(ITestNGMethod[] methods) {
    // Make sure the method has been run successfully
    for(int j= 0; j < methods.length; j++) {
      Set<ITestResult> results= m_notifier.getPassedTests(methods[j]);
     
      // If no results were returned, then these tests didn't pass
      if (results == null || results.size() == 0) return false;
     
      for (ITestResult result : results) {
        if(!result.isSuccess()) {
          return false;
        }
      }
    }

    return true;
  }

  /**
   * An exception was thrown by the test, determine if this method
   * should be marked as a failure or as failure_but_within_successPercentage
   */
  private void handleException(Throwable throwable,
                               ITestNGMethod testMethod,
                               ITestResult testResult,
                               int failureCount) {
    testResult.setThrowable(throwable);
    int successPercentage= testMethod.getSuccessPercentage();
    int invocationCount= testMethod.getInvocationCount();
    float numberOfTestsThatCanFail= ((100 - successPercentage) * invocationCount) / 100;

    if(failureCount < numberOfTestsThatCanFail) {
      testResult.setStatus(ITestResult.SUCCESS_PERCENTAGE_FAILURE);
    }
    else {
      testResult.setStatus(ITestResult.FAILURE);
    }

  }

  /**
   * @param ite The exception that was just thrown
   * @param expectedExceptions The list of expected exceptions for this
   * test method
   * @return true if the exception that was just thrown is part of the
   * expected exceptions
   */
  private boolean isExpectedException(Throwable ite, ExpectedExceptionsHolder exceptionHolder) {
    if (exceptionHolder == null) {
      return false;
    }

    // TestException is the wrapper exception that TestNG will be throwing when an exception was
    // expected but not thrown
    if (ite.getClass() == TestException.class) {
      return false;
    }

    Class<?>[] exceptions = exceptionHolder.expectedClasses;
    String messageRegExp = exceptionHolder.messageRegExp;

    Class<?> realExceptionClass= ite.getClass();

    for(int i= 0; i < exceptions.length; i++) {
      if (exceptions[i].isAssignableFrom(realExceptionClass)) {
        return true;
      }
    }

    return false;
  }

  /**
   * @return Only the ITestNGMethods applicable for this testClass
   */
  private ITestNGMethod[] filterMethods(IClass testClass, ITestNGMethod[] methods) {
    List<ITestNGMethod> vResult= Lists.newArrayList();

    for(ITestNGMethod tm : methods) {
      if(tm.canRunFromClass(testClass)) {
        log(9, "Keeping method " + tm + " for class " + testClass);
        vResult.add(tm);
      }
      else {
        log(9, "Filtering out method " + tm + " for class " + testClass);
      }
    }

    ITestNGMethod[] result= vResult.toArray(new ITestNGMethod[vResult.size()]);

    return result;
  }

  private ITestNGMethod[] filterMethodsUnique(IClass testClass, ITestNGMethod[] methods) {
    if(null == testClass) {
      return methods;
    }

    List<ITestNGMethod> vResult= Lists.newArrayList();

    for(ITestNGMethod tm : methods) {
      if(null == testClass) {
        testClass= tm.getTestClass();
      }

      if(tm.getTestClass().getName().equals(testClass.getName())) {
        log(9, "        Keeping method " + tm + " for class " + testClass);

        vResult.add(tm);
      }
      else {
        log(9, "        Filtering out method " + tm + " for class " + testClass);
      }
    }

    ITestNGMethod[] result= vResult.toArray(new ITestNGMethod[vResult.size()]);

    return result;
  }

  /**
   * @return true if this method depends on certain groups.
   */
  private boolean dependsOnGroups(ITestNGMethod tm) {
    String[] groups= tm.getGroupsDependedUpon();
    boolean result= (null != groups) && (groups.length > 0);

    return result;
  }

  /**
   * @return true if this method depends on certain groups.
   */
  private boolean dependsOnMethods(ITestNGMethod tm) {
    String[] methods= tm.getMethodsDependedUpon();
    boolean result= (null != methods) && (methods.length > 0);

    return result;
  }

  private void runConfigurationListeners(ITestResult tr) {
    for(IConfigurationListener icl: m_notifier.getConfigurationListeners()) {
      switch(tr.getStatus()) {
        case ITestResult.SKIP:
          icl.onConfigurationSkip(tr);
          break;
        case ITestResult.FAILURE:
          icl.onConfigurationFailure(tr);
          break;
        case ITestResult.SUCCESS:
          icl.onConfigurationSuccess(tr);
          break;
      }
    }
  }
 
  void runTestListeners(ITestResult tr) {
    runTestListeners(tr, m_notifier.getTestListeners());
  }
 
  // TODO: move this from here as it is directly called from TestNG
  public static void runTestListeners(ITestResult tr, List<ITestListener> listeners) {
    for (ITestListener itl : listeners) {
      switch(tr.getStatus()) {
        case ITestResult.SKIP: {
          itl.onTestSkipped(tr);
          break;
        }
        case ITestResult.SUCCESS_PERCENTAGE_FAILURE: {
          itl.onTestFailedButWithinSuccessPercentage(tr);
          break;
        }
        case ITestResult.FAILURE: {
          itl.onTestFailure(tr);
          break;
        }
        case ITestResult.SUCCESS: {
          itl.onTestSuccess(tr);
          break;
        }

        case ITestResult.STARTED: {
          itl.onTestStart(tr);
          break;
        }

        default: {
          assert false : "UNKNOWN STATUS:" + tr;
        }
      }
    }
  }

  private static void ppp(String s) {
    System.out.println("[Invoker]" + s);
  }

  private void log(int level, String s) {
    Utils.log("Invoker " + Thread.currentThread().hashCode(), level, s);
  }
 
//  private class DataTestMethodWorker implements IMethodWorker {
//    final Object[] m_instances;
//    final ITestNGMethod m_testMethod;
//    final ITestNGMethod[] m_beforeMethods;
//    final ITestNGMethod[] m_afterMethods;
//    final ConfigurationGroupMethods m_groupMethods;
//    final Object[] m_parameters;
//    final XmlSuite m_suite;
//    final Map<String, String> m_allParameterNames;
//   
//    List<ITestResult> m_results;
//   
//    public DataTestMethodWorker(Object[] instances,
//        ITestNGMethod testMethod,
//        Object[] params,
//        ITestNGMethod[] befores,
//        ITestNGMethod[] afters,
//        ConfigurationGroupMethods groupMethods,
//        XmlSuite suite,
//        Map<String, String> paramNames) {
//      m_instances= instances;
//      m_testMethod= testMethod;
//      m_parameters= params;
//      m_beforeMethods= befores;
//      m_afterMethods= afters;
//      m_groupMethods= groupMethods;
//      m_suite= suite;
//      m_allParameterNames= paramNames;
//    }
//   
//    public long getMaxTimeOut() {
//      return 0;
//    }
//
//    public void run() {
//      m_results= invokeTestMethod(m_instances,
//          m_testMethod,
//          m_parameters,
//          m_suite,
//          m_allParameterNames,
//          m_testMethod.getTestClass(),
//          m_beforeMethods,
//          m_afterMethods,
//          m_groupMethods);
//    }
//
//    public List<ITestResult> getTestResults() {
//      return m_results;
//    }
//
//    public List<ITestNGMethod> getMethods() {
//      return Arrays.asList(m_testMethod);
//    }
//
//    public int getPriority() {
//      return 1;
//    }
//
//    public int compareTo(IMethodWorker other) {
//      return getPriority() - other.getPriority();
//    }
//
//  } // DataTestMethodWorker
 
  private static class ParameterBag {
    final ParameterHolder parameterHolder;
    final List<ITestResult> errorResults= Lists.newArrayList();
   
    public ParameterBag(ParameterHolder params, TestResult tr) {
      parameterHolder = params;
      if(tr != null) {
        errorResults.add(tr);
      }
    }
   
    public boolean hasErrors() {
      return !errorResults.isEmpty();
    }
  }

}
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